Portion of a shoe sole



FIG. 1 is a front perspective view of a portion of a shoe sole showing our new design;

FIG. 2 is a left side elevational view thereof,

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a first bottom perspective view thereof;

FIG. 5 is an enlarged bottom perspective view rotated 45 degrees clockwise; and,

FIG. 6 is a bottom plan view of FIG. 1.

The uneven broken lines immediately adjacent to the shaded areas, as well as the 2 broken-line shapes in FIG. 3, represent unclaimed boundaries of the design. The broken lines themselves and the areas within, form no part of the claim.

The uneven broken line showing the remainder of shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe sole, as shown and described. 